Endoscopic instrument for retrograde biopsy



FIG. 1 is a front perspective view of an open endoscopic instrument for retrograde biopsy according to the present invention.

FIG. 2 is a front perspective view of a closed endoscopic instrument for retrograde biopsy of FIG. 1.

FIG. 3 is a left view of the open endoscopic instrument for retrograde biopsy of FIG. 1.

FIG. 4 is a left view of the closed endoscopic instrument for retrograde biopsy of FIG. 2.

FIG. 5 is a right view of the open endoscopic instrument for retrograde biopsy of FIG. 1.

FIG. 6 is a right view of the closed endoscopic instrument for retrograde biopsy of FIG. 2.

FIG. 7 is a top view of the open endoscopic instrument for retrograde biopsy of FIG. 1.

FIG. 8 is a top view of the closed endoscopic instrument for retrograde biopsy of FIG. 2.

FIG. 9 is a bottom view of the open endoscopic instrument for retrograde biopsy of FIG. 1.

FIG. 10 is a bottom view of the closed endoscopic instrument for retrograde biopsy of FIG. 2.

FIG. 11 is a front view of the open endoscopic instrument for retrograde biopsy of FIG. 1.

FIG. 12 is a front view of the closed endoscopic instrument for retrograde biopsy of FIG. 2.

FIG. 13 is a rear view of the open endoscopic instrument for retrograde biopsy of FIG. 1; and,

FIG. 14 is a rear view of the closed endoscopic instrument for retrograde biopsy of FIG. 2.

The dashed lines illustrate environment that does not form a part of the present invention, and no claim is made to the material illustrated with dashed lines. 

CLAIM The ornamental design for an endoscopic instrument for retrograde biopsy, as shown and described. 